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52066eae | 1 | // { dg-do run { target c++11 } } |
45ba8f9f | 2 | |
83ffe9cd | 3 | // Copyright (C) 2011-2023 Free Software Foundation, Inc. |
45ba8f9f JW |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <memory> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | struct X { }; | |
24 | ||
25 | template<typename T> | |
26 | struct alloc1 | |
27 | { | |
28 | typedef T value_type; | |
29 | ||
30 | int id; | |
31 | }; | |
32 | ||
33 | template<typename T> | |
34 | struct alloc2 | |
35 | { | |
36 | typedef T value_type; | |
37 | ||
38 | int id; | |
39 | ||
40 | alloc2 select_on_container_copy_construction() const | |
41 | { return alloc2{id+1}; } | |
42 | }; | |
43 | ||
44 | ||
45 | void test01() | |
46 | { | |
47 | typedef std::allocator_traits<alloc1<X>> traits_type; | |
48 | traits_type::allocator_type a{1}; | |
49 | const traits_type::allocator_type& a2 | |
50 | = traits_type::select_on_container_copy_construction(a); | |
51 | VERIFY( a2.id == a.id ); | |
52 | } | |
53 | ||
54 | void test02() | |
55 | { | |
3c8bceb1 | 56 | typedef std::allocator_traits<alloc2<X>> traits_type; |
45ba8f9f JW |
57 | traits_type::allocator_type a{1}; |
58 | const traits_type::allocator_type& a2 | |
59 | = traits_type::select_on_container_copy_construction(a); | |
60 | VERIFY( a2.id != a.id ); | |
61 | } | |
62 | ||
63 | int main() | |
64 | { | |
65 | test01(); | |
66 | test02(); | |
67 | } |